> When available for a website, it is displayed as an icon at the end of the url bar in Firefox This is the only problem. When I really want it, it's often not

> When available for a website, it is displayed as an icon at the end of the url bar in Firefox This is the only problem. When I really want it, it's often not available. archive.is is pretty bad on mobile because they are archiving desktop pages. Reader mode is not available there.